123783882871 has 4 divisors (see below), whose sum is σ = 135036963144. Its totient is φ = 112530802600.

The previous prime is 123783882869. The next prime is 123783882967. The reversal of 123783882871 is 178288387321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123783882871 - 2¹ = 123783882869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123783883871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5626540120 + ... + 5626540141.

It is an arithmetic number, because the mean of its divisors is an integer number (33759240786).

Almost surely, 2^123783882871 is an apocalyptic number.

123783882871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123783882871 is a deficient number, since it is larger than the sum of its proper divisors (11253080273).

123783882871 is a wasteful number, since it uses less digits than its factorization.

123783882871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11253080272.

The product of its digits is 7225344, while the sum is 58.

The spelling of 123783882871 in words is "one hundred twenty-three billion, seven hundred eighty-three million, eight hundred eighty-two thousand, eight hundred seventy-one".